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  _  __    _____    ______    __   __    _____   
 | |/ //  |  ___|| |      \\  \ \\/ //  |__  //  
 | ' //   | ||__   |  --  //   \ ` //     / //   
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Text this: Enhanced photocatalytic performance of visible-light-driven BiOBr/BiPO<inf>4</inf>composites